Pipe cleaning apparatus



FIG. 1 is a side perspective view of a pipe cleaning apparatus showing my new design;

FIG. 2 is a side elevational view taken from the right of FIG. 3;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view taken from the left of FIG. 3;

FIG. 6 is a bottom view of FIG. 3;

FIG. 7 is a top view of FIG. 3; and,

FIG. 8 is a side elevational view thereof. 

The ornamental design for a pipe cleaning apparatus, as shown and described. 